#pragma once
#include <iostream>
#include <sys/types.h>
#include <sys/socket.h>
#include <cstring>
#include <sys/stat.h>
#include <arpa/inet.h>
#include "log.hpp"

enum
{
    SOCK_ERR = 1,
    BIND_ERR,
    LISTEN_ERR
};

Log lg;
int backlog = 10;
class Sock
{
public:
    Sock()
    {
    }
    ~Sock()
    {
    }

public:
    void Socket()
    {
        sockfd_ = socket(AF_INET, SOCK_STREAM, 0);
        if (sockfd_ < 0)
        {
            lg(Fatal, "socket error,errno:%d,strerr:%s", errno, strerror(errno));
            exit(SOCK_ERR);
        }
        int op = 1;
        setsockopt(sockfd_, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT, &op, sizeof(op));
    }

    void Bind(uint16_t port)
    {
        struct sockaddr_in local;
        memset(&local, 0, sizeof(local));
        local.sin_family = AF_INET;
        local.sin_port = htons(port);
        local.sin_addr.s_addr = INADDR_ANY;

        if (bind(sockfd_, (struct sockaddr *)&local, sizeof(local)) < 0)
        {
            lg(Fatal, "bind error,errno:%d,strerr:%s", errno, strerror(errno));
            exit(BIND_ERR);
        }
        // lg(Info, "bind success!");
    }

    void Listen()
    {
        if (listen(sockfd_, backlog) < 0)
        {
            lg(Fatal, "listen error,errno:%d,strerr:%s", errno, strerror(errno));
            exit(LISTEN_ERR);
        }
        // lg(Info, "listen success!");
    }

    int Accept(std::string *clientip, uint16_t *clientport)
    {
        struct sockaddr_in peer;
        socklen_t len = sizeof(peer);
        int newfd = accept(sockfd_, (struct sockaddr *)&peer, &len);
        if (newfd < 0)
        {
            lg(Warning, "accept error,errno:%d,strerr:%s", errno, strerror(errno));
            return 1;
        }
        // lg(Info, "accept success!");

        char ipstr[128];
        inet_ntop(AF_INET, &(peer.sin_addr), ipstr, sizeof(ipstr));
        *clientip = ipstr;
        *clientport = ntohs(peer.sin_port);
        return newfd;
    }

    bool Connect(const std::string &ip, const uint16_t &port)
    {
        struct sockaddr_in peer;
        memset(&peer, 0, sizeof(peer));
        peer.sin_family = AF_INET;
        peer.sin_port = htons(port);
        inet_pton(AF_INET, ip.c_str(), &peer.sin_addr);
        int n = connect(sockfd_, (struct sockaddr *)&peer, sizeof(peer));
        if (n < 0)
        {
            std::cerr << "connect to " << ip << ":" << port << " error" << std::endl;
            return false;
        }
        return true;
    }

    void Close()
    {
        close(sockfd_);
    }

    int Fd()
    {
        return sockfd_;
    }

private:
    int sockfd_;
};